Implement using fuels

src/generated/main/emu/lunarcore/proto/UseItemCsReqOuterClass.java

@@ -0,0 +1,616 @@
+// Code generated by protocol buffer compiler. Do not edit!
+package emu.lunarcore.proto;
+
+import java.io.IOException;
+import us.hebi.quickbuf.FieldName;
+import us.hebi.quickbuf.InvalidProtocolBufferException;
+import us.hebi.quickbuf.JsonSink;
+import us.hebi.quickbuf.JsonSource;
+import us.hebi.quickbuf.MessageFactory;
+import us.hebi.quickbuf.ProtoMessage;
+import us.hebi.quickbuf.ProtoSink;
+import us.hebi.quickbuf.ProtoSource;
+
+public final class UseItemCsReqOuterClass {
+  /**
+   * Protobuf type {@code UseItemCsReq}
+   */
+  public static final class UseItemCsReq extends ProtoMessage<UseItemCsReq> implements Cloneable {
+    private static final long serialVersionUID = 0L;
+
+    /**
+     * <code>optional uint32 base_avatar_id = 1;</code>
+     */
+    private int baseAvatarId;
+
+    /**
+     * <code>optional uint32 use_item_count = 4;</code>
+     */
+    private int useItemCount;
+
+    /**
+     * <code>optional uint32 optional_reward_id = 6;</code>
+     */
+    private int optionalRewardId;
+
+    /**
+     * <code>optional uint32 use_item_id = 14;</code>
+     */
+    private int useItemId;
+
+    /**
+     * <code>optional .AvatarType use_avatar_type = 9;</code>
+     */
+    private int useAvatarType;
+
+    private UseItemCsReq() {
+    }
+
+    /**
+     * @return a new empty instance of {@code UseItemCsReq}
+     */
+    public static UseItemCsReq newInstance() {
+      return new UseItemCsReq();
+    }
+
+    /**
+     * <code>optional uint32 base_avatar_id = 1;</code>
+     * @return whether the baseAvatarId field is set
+     */
+    public boolean hasBaseAvatarId() {
+      return (bitField0_ & 0x00000001) != 0;
+    }
+
+    /**
+     * <code>optional uint32 base_avatar_id = 1;</code>
+     * @return this
+     */
+    public UseItemCsReq clearBaseAvatarId() {
+      bitField0_ &= ~0x00000001;
+      baseAvatarId = 0;
+      return this;
+    }
+
+    /**
+     * <code>optional uint32 base_avatar_id = 1;</code>
+     * @return the baseAvatarId
+     */
+    public int getBaseAvatarId() {
+      return baseAvatarId;
+    }
+
+    /**
+     * <code>optional uint32 base_avatar_id = 1;</code>
+     * @param value the baseAvatarId to set
+     * @return this
+     */
+    public UseItemCsReq setBaseAvatarId(final int value) {
+      bitField0_ |= 0x00000001;
+      baseAvatarId = value;
+      return this;
+    }
+
+    /**
+     * <code>optional uint32 use_item_count = 4;</code>
+     * @return whether the useItemCount field is set
+     */
+    public boolean hasUseItemCount() {
+      return (bitField0_ & 0x00000002) != 0;
+    }
+
+    /**
+     * <code>optional uint32 use_item_count = 4;</code>
+     * @return this
+     */
+    public UseItemCsReq clearUseItemCount() {
+      bitField0_ &= ~0x00000002;
+      useItemCount = 0;
+      return this;
+    }
+
+    /**
+     * <code>optional uint32 use_item_count = 4;</code>
+     * @return the useItemCount
+     */
+    public int getUseItemCount() {
+      return useItemCount;
+    }
+
+    /**
+     * <code>optional uint32 use_item_count = 4;</code>
+     * @param value the useItemCount to set
+     * @return this
+     */
+    public UseItemCsReq setUseItemCount(final int value) {
+      bitField0_ |= 0x00000002;
+      useItemCount = value;
+      return this;
+    }
+
+    /**
+     * <code>optional uint32 optional_reward_id = 6;</code>
+     * @return whether the optionalRewardId field is set
+     */
+    public boolean hasOptionalRewardId() {
+      return (bitField0_ & 0x00000004) != 0;
+    }
+
+    /**
+     * <code>optional uint32 optional_reward_id = 6;</code>
+     * @return this
+     */
+    public UseItemCsReq clearOptionalRewardId() {
+      bitField0_ &= ~0x00000004;
+      optionalRewardId = 0;
+      return this;
+    }
+
+    /**
+     * <code>optional uint32 optional_reward_id = 6;</code>
+     * @return the optionalRewardId
+     */
+    public int getOptionalRewardId() {
+      return optionalRewardId;
+    }
+
+    /**
+     * <code>optional uint32 optional_reward_id = 6;</code>
+     * @param value the optionalRewardId to set
+     * @return this
+     */
+    public UseItemCsReq setOptionalRewardId(final int value) {
+      bitField0_ |= 0x00000004;
+      optionalRewardId = value;
+      return this;
+    }
+
+    /**
+     * <code>optional uint32 use_item_id = 14;</code>
+     * @return whether the useItemId field is set
+     */
+    public boolean hasUseItemId() {
+      return (bitField0_ & 0x00000008) != 0;
+    }
+
+    /**
+     * <code>optional uint32 use_item_id = 14;</code>
+     * @return this
+     */
+    public UseItemCsReq clearUseItemId() {
+      bitField0_ &= ~0x00000008;
+      useItemId = 0;
+      return this;
+    }
+
+    /**
+     * <code>optional uint32 use_item_id = 14;</code>
+     * @return the useItemId
+     */
+    public int getUseItemId() {
+      return useItemId;
+    }
+
+    /**
+     * <code>optional uint32 use_item_id = 14;</code>
+     * @param value the useItemId to set
+     * @return this
+     */
+    public UseItemCsReq setUseItemId(final int value) {
+      bitField0_ |= 0x00000008;
+      useItemId = value;
+      return this;
+    }
+
+    /**
+     * <code>optional .AvatarType use_avatar_type = 9;</code>
+     * @return whether the useAvatarType field is set
+     */
+    public boolean hasUseAvatarType() {
+      return (bitField0_ & 0x00000010) != 0;
+    }
+
+    /**
+     * <code>optional .AvatarType use_avatar_type = 9;</code>
+     * @return this
+     */
+    public UseItemCsReq clearUseAvatarType() {
+      bitField0_ &= ~0x00000010;
+      useAvatarType = 0;
+      return this;
+    }
+
+    /**
+     * <code>optional .AvatarType use_avatar_type = 9;</code>
+     * @return the useAvatarType
+     */
+    public AvatarTypeOuterClass.AvatarType getUseAvatarType() {
+      return AvatarTypeOuterClass.AvatarType.forNumber(useAvatarType);
+    }
+
+    /**
+     * Gets the value of the internal enum store. The result is
+     * equivalent to {@link UseItemCsReq#getUseAvatarType()}.getNumber().
+     *
+     * @return numeric wire representation
+     */
+    public int getUseAvatarTypeValue() {
+      return useAvatarType;
+    }
+
+    /**
+     * Sets the value of the internal enum store. This does not
+     * do any validity checks, so be sure to use appropriate value
+     * constants from {@link AvatarTypeOuterClass.AvatarType}. Setting an invalid value
+     * can cause {@link UseItemCsReq#getUseAvatarType()} to return null
+     *
+     * @param value the numeric wire value to set
+     * @return this
+     */
+    public UseItemCsReq setUseAvatarTypeValue(final int value) {
+      bitField0_ |= 0x00000010;
+      useAvatarType = value;
+      return this;
+    }
+
+    /**
+     * <code>optional .AvatarType use_avatar_type = 9;</code>
+     * @param value the useAvatarType to set
+     * @return this
+     */
+    public UseItemCsReq setUseAvatarType(final AvatarTypeOuterClass.AvatarType value) {
+      bitField0_ |= 0x00000010;
+      useAvatarType = value.getNumber();
+      return this;
+    }
+
+    @Override
+    public UseItemCsReq copyFrom(final UseItemCsReq other) {
+      cachedSize = other.cachedSize;
+      if ((bitField0_ | other.bitField0_) != 0) {
+        bitField0_ = other.bitField0_;
+        baseAvatarId = other.baseAvatarId;
+        useItemCount = other.useItemCount;
+        optionalRewardId = other.optionalRewardId;
+        useItemId = other.useItemId;
+        useAvatarType = other.useAvatarType;
+      }
+      return this;
+    }
+
+    @Override
+    public UseItemCsReq mergeFrom(final UseItemCsReq other) {
+      if (other.isEmpty()) {
+        return this;
+      }
+      cachedSize = -1;
+      if (other.hasBaseAvatarId()) {
+        setBaseAvatarId(other.baseAvatarId);
+      }
+      if (other.hasUseItemCount()) {
+        setUseItemCount(other.useItemCount);
+      }
+      if (other.hasOptionalRewardId()) {
+        setOptionalRewardId(other.optionalRewardId);
+      }
+      if (other.hasUseItemId()) {
+        setUseItemId(other.useItemId);
+      }
+      if (other.hasUseAvatarType()) {
+        setUseAvatarTypeValue(other.useAvatarType);
+      }
+      return this;
+    }
+
+    @Override
+    public UseItemCsReq clear() {
+      if (isEmpty()) {
+        return this;
+      }
+      cachedSize = -1;
+      bitField0_ = 0;
+      baseAvatarId = 0;
+      useItemCount = 0;
+      optionalRewardId = 0;
+      useItemId = 0;
+      useAvatarType = 0;
+      return this;
+    }
+
+    @Override
+    public UseItemCsReq clearQuick() {
+      if (isEmpty()) {
+        return this;
+      }
+      cachedSize = -1;
+      bitField0_ = 0;
+      return this;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+      if (o == this) {
+        return true;
+      }
+      if (!(o instanceof UseItemCsReq)) {
+        return false;
+      }
+      UseItemCsReq other = (UseItemCsReq) o;
+      return bitField0_ == other.bitField0_
+        && (!hasBaseAvatarId() || baseAvatarId == other.baseAvatarId)
+        && (!hasUseItemCount() || useItemCount == other.useItemCount)
+        && (!hasOptionalRewardId() || optionalRewardId == other.optionalRewardId)
+        && (!hasUseItemId() || useItemId == other.useItemId)
+        && (!hasUseAvatarType() || useAvatarType == other.useAvatarType);
+    }
+
+    @Override
+    public void writeTo(final ProtoSink output) throws IOException {
+      if ((bitField0_ & 0x00000001) != 0) {
+        output.writeRawByte((byte) 8);
+        output.writeUInt32NoTag(baseAvatarId);
+      }
+      if ((bitField0_ & 0x00000002) != 0) {
+        output.writeRawByte((byte) 32);
+        output.writeUInt32NoTag(useItemCount);
+      }
+      if ((bitField0_ & 0x00000004) != 0) {
+        output.writeRawByte((byte) 48);
+        output.writeUInt32NoTag(optionalRewardId);
+      }
+      if ((bitField0_ & 0x00000008) != 0) {
+        output.writeRawByte((byte) 112);
+        output.writeUInt32NoTag(useItemId);
+      }
+      if ((bitField0_ & 0x00000010) != 0) {
+        output.writeRawByte((byte) 72);
+        output.writeEnumNoTag(useAvatarType);
+      }
+    }
+
+    @Override
+    protected int computeSerializedSize() {
+      int size = 0;
+      if ((bitField0_ & 0x00000001) != 0) {
+        size += 1 + ProtoSink.computeUInt32SizeNoTag(baseAvatarId);
+      }
+      if ((bitField0_ & 0x00000002) != 0) {
+        size += 1 + ProtoSink.computeUInt32SizeNoTag(useItemCount);
+      }
+      if ((bitField0_ & 0x00000004) != 0) {
+        size += 1 + ProtoSink.computeUInt32SizeNoTag(optionalRewardId);
+      }
+      if ((bitField0_ & 0x00000008) != 0) {
+        size += 1 + ProtoSink.computeUInt32SizeNoTag(useItemId);
+      }
+      if ((bitField0_ & 0x00000010) != 0) {
+        size += 1 + ProtoSink.computeEnumSizeNoTag(useAvatarType);
+      }
+      return size;
+    }
+
+    @Override
+    @SuppressWarnings("fallthrough")
+    public UseItemCsReq mergeFrom(final ProtoSource input) throws IOException {
+      // Enabled Fall-Through Optimization (QuickBuffers)
+      int tag = input.readTag();
+      while (true) {
+        switch (tag) {
+          case 8: {
+            // baseAvatarId
+            baseAvatarId = input.readUInt32();
+            bitField0_ |= 0x00000001;
+            tag = input.readTag();
+            if (tag != 32) {
+              break;
+            }
+          }
+          case 32: {
+            // useItemCount
+            useItemCount = input.readUInt32();
+            bitField0_ |= 0x00000002;
+            tag = input.readTag();
+            if (tag != 48) {
+              break;
+            }
+          }
+          case 48: {
+            // optionalRewardId
+            optionalRewardId = input.readUInt32();
+            bitField0_ |= 0x00000004;
+            tag = input.readTag();
+            if (tag != 112) {
+              break;
+            }
+          }
+          case 112: {
+            // useItemId
+            useItemId = input.readUInt32();
+            bitField0_ |= 0x00000008;
+            tag = input.readTag();
+            if (tag != 72) {
+              break;
+            }
+          }
+          case 72: {
+            // useAvatarType
+            final int value = input.readInt32();
+            if (AvatarTypeOuterClass.AvatarType.forNumber(value) != null) {
+              useAvatarType = value;
+              bitField0_ |= 0x00000010;
+            }
+            tag = input.readTag();
+            if (tag != 0) {
+              break;
+            }
+          }
+          case 0: {
+            return this;
+          }
+          default: {
+            if (!input.skipField(tag)) {
+              return this;
+            }
+            tag = input.readTag();
+            break;
+          }
+        }
+      }
+    }
+
+    @Override
+    public void writeTo(final JsonSink output) throws IOException {
+      output.beginObject();
+      if ((bitField0_ & 0x00000001) != 0) {
+        output.writeUInt32(FieldNames.baseAvatarId, baseAvatarId);
+      }
+      if ((bitField0_ & 0x00000002) != 0) {
+        output.writeUInt32(FieldNames.useItemCount, useItemCount);
+      }
+      if ((bitField0_ & 0x00000004) != 0) {
+        output.writeUInt32(FieldNames.optionalRewardId, optionalRewardId);
+      }
+      if ((bitField0_ & 0x00000008) != 0) {
+        output.writeUInt32(FieldNames.useItemId, useItemId);
+      }
+      if ((bitField0_ & 0x00000010) != 0) {
+        output.writeEnum(FieldNames.useAvatarType, useAvatarType, AvatarTypeOuterClass.AvatarType.converter());
+      }
+      output.endObject();
+    }
+
+    @Override
+    public UseItemCsReq mergeFrom(final JsonSource input) throws IOException {
+      if (!input.beginObject()) {
+        return this;
+      }
+      while (!input.isAtEnd()) {
+        switch (input.readFieldHash()) {
+          case 118022725:
+          case -1756826157: {
+            if (input.isAtField(FieldNames.baseAvatarId)) {
+              if (!input.trySkipNullValue()) {
+                baseAvatarId = input.readUInt32();
+                bitField0_ |= 0x00000001;
+              }
+            } else {
+              input.skipUnknownField();
+            }
+            break;
+          }
+          case -1104380939:
+          case 871430811: {
+            if (input.isAtField(FieldNames.useItemCount)) {
+              if (!input.trySkipNullValue()) {
+                useItemCount = input.readUInt32();
+                bitField0_ |= 0x00000002;
+              }
+            } else {
+              input.skipUnknownField();
+            }
+            break;
+          }
+          case -1391749078:
+          case -1451381236: {
+            if (input.isAtField(FieldNames.optionalRewardId)) {
+              if (!input.trySkipNullValue()) {
+                optionalRewardId = input.readUInt32();
+                bitField0_ |= 0x00000004;
+              }
+            } else {
+              input.skipUnknownField();
+            }
+            break;
+          }
+          case -815318027:
+          case 1396027151: {
+            if (input.isAtField(FieldNames.useItemId)) {
+              if (!input.trySkipNullValue()) {
+                useItemId = input.readUInt32();
+                bitField0_ |= 0x00000008;
+              }
+            } else {
+              input.skipUnknownField();
+            }
+            break;
+          }
+          case -1816914662:
+          case -1808431192: {
+            if (input.isAtField(FieldNames.useAvatarType)) {
+              if (!input.trySkipNullValue()) {
+                final AvatarTypeOuterClass.AvatarType value = input.readEnum(AvatarTypeOuterClass.AvatarType.converter());
+                if (value != null) {
+                  useAvatarType = value.getNumber();
+                  bitField0_ |= 0x00000010;
+                } else {
+                  input.skipUnknownEnumValue();
+                }
+              }
+            } else {
+              input.skipUnknownField();
+            }
+            break;
+          }
+          default: {
+            input.skipUnknownField();
+            break;
+          }
+        }
+      }
+      input.endObject();
+      return this;
+    }
+
+    @Override
+    public UseItemCsReq clone() {
+      return new UseItemCsReq().copyFrom(this);
+    }
+
+    @Override
+    public boolean isEmpty() {
+      return ((bitField0_) == 0);
+    }
+
+    public static UseItemCsReq parseFrom(final byte[] data) throws InvalidProtocolBufferException {
+      return ProtoMessage.mergeFrom(new UseItemCsReq(), data).checkInitialized();
+    }
+
+    public static UseItemCsReq parseFrom(final ProtoSource input) throws IOException {
+      return ProtoMessage.mergeFrom(new UseItemCsReq(), input).checkInitialized();
+    }
+
+    public static UseItemCsReq parseFrom(final JsonSource input) throws IOException {
+      return ProtoMessage.mergeFrom(new UseItemCsReq(), input).checkInitialized();
+    }
+
+    /**
+     * @return factory for creating UseItemCsReq messages
+     */
+    public static MessageFactory<UseItemCsReq> getFactory() {
+      return UseItemCsReqFactory.INSTANCE;
+    }
+
+    private enum UseItemCsReqFactory implements MessageFactory<UseItemCsReq> {
+      INSTANCE;
+
+      @Override
+      public UseItemCsReq create() {
+        return UseItemCsReq.newInstance();
+      }
+    }
+
+    /**
+     * Contains name constants used for serializing JSON
+     */
+    static class FieldNames {
+      static final FieldName baseAvatarId = FieldName.forField("baseAvatarId", "base_avatar_id");
+
+      static final FieldName useItemCount = FieldName.forField("useItemCount", "use_item_count");
+
+      static final FieldName optionalRewardId = FieldName.forField("optionalRewardId", "optional_reward_id");
+
+      static final FieldName useItemId = FieldName.forField("useItemId", "use_item_id");
+
+      static final FieldName useAvatarType = FieldName.forField("useAvatarType", "use_avatar_type");
+    }
+  }
+}

src/generated/main/emu/lunarcore/proto/UseItemScRspOuterClass.java

@@ -0,0 +1,522 @@
+// Code generated by protocol buffer compiler. Do not edit!
+package emu.lunarcore.proto;
+
+import java.io.IOException;
+import us.hebi.quickbuf.FieldName;
+import us.hebi.quickbuf.InvalidProtocolBufferException;
+import us.hebi.quickbuf.JsonSink;
+import us.hebi.quickbuf.JsonSource;
+import us.hebi.quickbuf.MessageFactory;
+import us.hebi.quickbuf.ProtoMessage;
+import us.hebi.quickbuf.ProtoSink;
+import us.hebi.quickbuf.ProtoSource;
+
+public final class UseItemScRspOuterClass {
+  /**
+   * Protobuf type {@code UseItemScRsp}
+   */
+  public static final class UseItemScRsp extends ProtoMessage<UseItemScRsp> implements Cloneable {
+    private static final long serialVersionUID = 0L;
+
+    /**
+     * <code>optional uint32 use_item_id = 6;</code>
+     */
+    private int useItemId;
+
+    /**
+     * <code>optional uint32 use_item_count = 10;</code>
+     */
+    private int useItemCount;
+
+    /**
+     * <code>optional uint32 retcode = 13;</code>
+     */
+    private int retcode;
+
+    /**
+     * <code>optional .ItemList return_data = 9;</code>
+     */
+    private final ItemListOuterClass.ItemList returnData = ItemListOuterClass.ItemList.newInstance();
+
+    private UseItemScRsp() {
+    }
+
+    /**
+     * @return a new empty instance of {@code UseItemScRsp}
+     */
+    public static UseItemScRsp newInstance() {
+      return new UseItemScRsp();
+    }
+
+    /**
+     * <code>optional uint32 use_item_id = 6;</code>
+     * @return whether the useItemId field is set
+     */
+    public boolean hasUseItemId() {
+      return (bitField0_ & 0x00000001) != 0;
+    }
+
+    /**
+     * <code>optional uint32 use_item_id = 6;</code>
+     * @return this
+     */
+    public UseItemScRsp clearUseItemId() {
+      bitField0_ &= ~0x00000001;
+      useItemId = 0;
+      return this;
+    }
+
+    /**
+     * <code>optional uint32 use_item_id = 6;</code>
+     * @return the useItemId
+     */
+    public int getUseItemId() {
+      return useItemId;
+    }
+
+    /**
+     * <code>optional uint32 use_item_id = 6;</code>
+     * @param value the useItemId to set
+     * @return this
+     */
+    public UseItemScRsp setUseItemId(final int value) {
+      bitField0_ |= 0x00000001;
+      useItemId = value;
+      return this;
+    }
+
+    /**
+     * <code>optional uint32 use_item_count = 10;</code>
+     * @return whether the useItemCount field is set
+     */
+    public boolean hasUseItemCount() {
+      return (bitField0_ & 0x00000002) != 0;
+    }
+
+    /**
+     * <code>optional uint32 use_item_count = 10;</code>
+     * @return this
+     */
+    public UseItemScRsp clearUseItemCount() {
+      bitField0_ &= ~0x00000002;
+      useItemCount = 0;
+      return this;
+    }
+
+    /**
+     * <code>optional uint32 use_item_count = 10;</code>
+     * @return the useItemCount
+     */
+    public int getUseItemCount() {
+      return useItemCount;
+    }
+
+    /**
+     * <code>optional uint32 use_item_count = 10;</code>
+     * @param value the useItemCount to set
+     * @return this
+     */
+    public UseItemScRsp setUseItemCount(final int value) {
+      bitField0_ |= 0x00000002;
+      useItemCount = value;
+      return this;
+    }
+
+    /**
+     * <code>optional uint32 retcode = 13;</code>
+     * @return whether the retcode field is set
+     */
+    public boolean hasRetcode() {
+      return (bitField0_ & 0x00000004) != 0;
+    }
+
+    /**
+     * <code>optional uint32 retcode = 13;</code>
+     * @return this
+     */
+    public UseItemScRsp clearRetcode() {
+      bitField0_ &= ~0x00000004;
+      retcode = 0;
+      return this;
+    }
+
+    /**
+     * <code>optional uint32 retcode = 13;</code>
+     * @return the retcode
+     */
+    public int getRetcode() {
+      return retcode;
+    }
+
+    /**
+     * <code>optional uint32 retcode = 13;</code>
+     * @param value the retcode to set
+     * @return this
+     */
+    public UseItemScRsp setRetcode(final int value) {
+      bitField0_ |= 0x00000004;
+      retcode = value;
+      return this;
+    }
+
+    /**
+     * <code>optional .ItemList return_data = 9;</code>
+     * @return whether the returnData field is set
+     */
+    public boolean hasReturnData() {
+      return (bitField0_ & 0x00000008) != 0;
+    }
+
+    /**
+     * <code>optional .ItemList return_data = 9;</code>
+     * @return this
+     */
+    public UseItemScRsp clearReturnData() {
+      bitField0_ &= ~0x00000008;
+      returnData.clear();
+      return this;
+    }
+
+    /**
+     * <code>optional .ItemList return_data = 9;</code>
+     *
+     * This method returns the internal storage object without modifying any has state.
+     * The returned object should not be modified and be treated as read-only.
+     *
+     * Use {@link #getMutableReturnData()} if you want to modify it.
+     *
+     * @return internal storage object for reading
+     */
+    public ItemListOuterClass.ItemList getReturnData() {
+      return returnData;
+    }
+
+    /**
+     * <code>optional .ItemList return_data = 9;</code>
+     *
+     * This method returns the internal storage object and sets the corresponding
+     * has state. The returned object will become part of this message and its
+     * contents may be modified as long as the has state is not cleared.
+     *
+     * @return internal storage object for modifications
+     */
+    public ItemListOuterClass.ItemList getMutableReturnData() {
+      bitField0_ |= 0x00000008;
+      return returnData;
+    }
+
+    /**
+     * <code>optional .ItemList return_data = 9;</code>
+     * @param value the returnData to set
+     * @return this
+     */
+    public UseItemScRsp setReturnData(final ItemListOuterClass.ItemList value) {
+      bitField0_ |= 0x00000008;
+      returnData.copyFrom(value);
+      return this;
+    }
+
+    @Override
+    public UseItemScRsp copyFrom(final UseItemScRsp other) {
+      cachedSize = other.cachedSize;
+      if ((bitField0_ | other.bitField0_) != 0) {
+        bitField0_ = other.bitField0_;
+        useItemId = other.useItemId;
+        useItemCount = other.useItemCount;
+        retcode = other.retcode;
+        returnData.copyFrom(other.returnData);
+      }
+      return this;
+    }
+
+    @Override
+    public UseItemScRsp mergeFrom(final UseItemScRsp other) {
+      if (other.isEmpty()) {
+        return this;
+      }
+      cachedSize = -1;
+      if (other.hasUseItemId()) {
+        setUseItemId(other.useItemId);
+      }
+      if (other.hasUseItemCount()) {
+        setUseItemCount(other.useItemCount);
+      }
+      if (other.hasRetcode()) {
+        setRetcode(other.retcode);
+      }
+      if (other.hasReturnData()) {
+        getMutableReturnData().mergeFrom(other.returnData);
+      }
+      return this;
+    }
+
+    @Override
+    public UseItemScRsp clear() {
+      if (isEmpty()) {
+        return this;
+      }
+      cachedSize = -1;
+      bitField0_ = 0;
+      useItemId = 0;
+      useItemCount = 0;
+      retcode = 0;
+      returnData.clear();
+      return this;
+    }
+
+    @Override
+    public UseItemScRsp clearQuick() {
+      if (isEmpty()) {
+        return this;
+      }
+      cachedSize = -1;
+      bitField0_ = 0;
+      returnData.clearQuick();
+      return this;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+      if (o == this) {
+        return true;
+      }
+      if (!(o instanceof UseItemScRsp)) {
+        return false;
+      }
+      UseItemScRsp other = (UseItemScRsp) o;
+      return bitField0_ == other.bitField0_
+        && (!hasUseItemId() || useItemId == other.useItemId)
+        && (!hasUseItemCount() || useItemCount == other.useItemCount)
+        && (!hasRetcode() || retcode == other.retcode)
+        && (!hasReturnData() || returnData.equals(other.returnData));
+    }
+
+    @Override
+    public void writeTo(final ProtoSink output) throws IOException {
+      if ((bitField0_ & 0x00000001) != 0) {
+        output.writeRawByte((byte) 48);
+        output.writeUInt32NoTag(useItemId);
+      }
+      if ((bitField0_ & 0x00000002) != 0) {
+        output.writeRawByte((byte) 80);
+        output.writeUInt32NoTag(useItemCount);
+      }
+      if ((bitField0_ & 0x00000004) != 0) {
+        output.writeRawByte((byte) 104);
+        output.writeUInt32NoTag(retcode);
+      }
+      if ((bitField0_ & 0x00000008) != 0) {
+        output.writeRawByte((byte) 74);
+        output.writeMessageNoTag(returnData);
+      }
+    }
+
+    @Override
+    protected int computeSerializedSize() {
+      int size = 0;
+      if ((bitField0_ & 0x00000001) != 0) {
+        size += 1 + ProtoSink.computeUInt32SizeNoTag(useItemId);
+      }
+      if ((bitField0_ & 0x00000002) != 0) {
+        size += 1 + ProtoSink.computeUInt32SizeNoTag(useItemCount);
+      }
+      if ((bitField0_ & 0x00000004) != 0) {
+        size += 1 + ProtoSink.computeUInt32SizeNoTag(retcode);
+      }
+      if ((bitField0_ & 0x00000008) != 0) {
+        size += 1 + ProtoSink.computeMessageSizeNoTag(returnData);
+      }
+      return size;
+    }
+
+    @Override
+    @SuppressWarnings("fallthrough")
+    public UseItemScRsp mergeFrom(final ProtoSource input) throws IOException {
+      // Enabled Fall-Through Optimization (QuickBuffers)
+      int tag = input.readTag();
+      while (true) {
+        switch (tag) {
+          case 48: {
+            // useItemId
+            useItemId = input.readUInt32();
+            bitField0_ |= 0x00000001;
+            tag = input.readTag();
+            if (tag != 80) {
+              break;
+            }
+          }
+          case 80: {
+            // useItemCount
+            useItemCount = input.readUInt32();
+            bitField0_ |= 0x00000002;
+            tag = input.readTag();
+            if (tag != 104) {
+              break;
+            }
+          }
+          case 104: {
+            // retcode
+            retcode = input.readUInt32();
+            bitField0_ |= 0x00000004;
+            tag = input.readTag();
+            if (tag != 74) {
+              break;
+            }
+          }
+          case 74: {
+            // returnData
+            input.readMessage(returnData);
+            bitField0_ |= 0x00000008;
+            tag = input.readTag();
+            if (tag != 0) {
+              break;
+            }
+          }
+          case 0: {
+            return this;
+          }
+          default: {
+            if (!input.skipField(tag)) {
+              return this;
+            }
+            tag = input.readTag();
+            break;
+          }
+        }
+      }
+    }
+
+    @Override
+    public void writeTo(final JsonSink output) throws IOException {
+      output.beginObject();
+      if ((bitField0_ & 0x00000001) != 0) {
+        output.writeUInt32(FieldNames.useItemId, useItemId);
+      }
+      if ((bitField0_ & 0x00000002) != 0) {
+        output.writeUInt32(FieldNames.useItemCount, useItemCount);
+      }
+      if ((bitField0_ & 0x00000004) != 0) {
+        output.writeUInt32(FieldNames.retcode, retcode);
+      }
+      if ((bitField0_ & 0x00000008) != 0) {
+        output.writeMessage(FieldNames.returnData, returnData);
+      }
+      output.endObject();
+    }
+
+    @Override
+    public UseItemScRsp mergeFrom(final JsonSource input) throws IOException {
+      if (!input.beginObject()) {
+        return this;
+      }
+      while (!input.isAtEnd()) {
+        switch (input.readFieldHash()) {
+          case -815318027:
+          case 1396027151: {
+            if (input.isAtField(FieldNames.useItemId)) {
+              if (!input.trySkipNullValue()) {
+                useItemId = input.readUInt32();
+                bitField0_ |= 0x00000001;
+              }
+            } else {
+              input.skipUnknownField();
+            }
+            break;
+          }
+          case -1104380939:
+          case 871430811: {
+            if (input.isAtField(FieldNames.useItemCount)) {
+              if (!input.trySkipNullValue()) {
+                useItemCount = input.readUInt32();
+                bitField0_ |= 0x00000002;
+              }
+            } else {
+              input.skipUnknownField();
+            }
+            break;
+          }
+          case 1097936398: {
+            if (input.isAtField(FieldNames.retcode)) {
+              if (!input.trySkipNullValue()) {
+                retcode = input.readUInt32();
+                bitField0_ |= 0x00000004;
+              }
+            } else {
+              input.skipUnknownField();
+            }
+            break;
+          }
+          case 1336707322:
+          case -1486739111: {
+            if (input.isAtField(FieldNames.returnData)) {
+              if (!input.trySkipNullValue()) {
+                input.readMessage(returnData);
+                bitField0_ |= 0x00000008;
+              }
+            } else {
+              input.skipUnknownField();
+            }
+            break;
+          }
+          default: {
+            input.skipUnknownField();
+            break;
+          }
+        }
+      }
+      input.endObject();
+      return this;
+    }
+
+    @Override
+    public UseItemScRsp clone() {
+      return new UseItemScRsp().copyFrom(this);
+    }
+
+    @Override
+    public boolean isEmpty() {
+      return ((bitField0_) == 0);
+    }
+
+    public static UseItemScRsp parseFrom(final byte[] data) throws InvalidProtocolBufferException {
+      return ProtoMessage.mergeFrom(new UseItemScRsp(), data).checkInitialized();
+    }
+
+    public static UseItemScRsp parseFrom(final ProtoSource input) throws IOException {
+      return ProtoMessage.mergeFrom(new UseItemScRsp(), input).checkInitialized();
+    }
+
+    public static UseItemScRsp parseFrom(final JsonSource input) throws IOException {
+      return ProtoMessage.mergeFrom(new UseItemScRsp(), input).checkInitialized();
+    }
+
+    /**
+     * @return factory for creating UseItemScRsp messages
+     */
+    public static MessageFactory<UseItemScRsp> getFactory() {
+      return UseItemScRspFactory.INSTANCE;
+    }
+
+    private enum UseItemScRspFactory implements MessageFactory<UseItemScRsp> {
+      INSTANCE;
+
+      @Override
+      public UseItemScRsp create() {
+        return UseItemScRsp.newInstance();
+      }
+    }
+
+    /**
+     * Contains name constants used for serializing JSON
+     */
+    static class FieldNames {
+      static final FieldName useItemId = FieldName.forField("useItemId", "use_item_id");
+
+      static final FieldName useItemCount = FieldName.forField("useItemCount", "use_item_count");
+
+      static final FieldName retcode = FieldName.forField("retcode");
+
+      static final FieldName returnData = FieldName.forField("returnData", "return_data");
+    }
+  }
+}

src/main/java/emu/lunarcore/game/inventory/Inventory.java

@@ -425,6 +425,27 @@ public class Inventory extends BasePlayerManager {
     public boolean verifyHcoin(int cost) {
         return this.getPlayer().getHcoin() >= cost;
     }
+    
+    // Use item
+    
+    public List<GameItem> useItem(int itemId, int count, int baseAvatarId) {
+        // Verify that the player actually has the item
+        GameItem useItem = this.getMaterialByItemId(itemId);
+        if (useItem == null || useItem.getCount() < count) {
+            return null;
+        }
+        
+        // Remove item from inventory
+        this.removeItem(useItem, count);
+        
+        // Use the item now
+        // TODO write better handler for this later
+        if (itemId == 201) {
+            this.getPlayer().addStamina(60 * count);
+        }
+        
+        return null;
+    }
 
     // Equips
 

src/main/java/emu/lunarcore/game/player/Player.java

@@ -360,7 +360,7 @@ public class Player {
     }
     
     public void addStamina(int amount) {
-        this.stamina = Math.min(this.stamina + amount, GameConstants.MAX_STAMINA);
+        this.stamina += amount;
         this.sendPacket(new PacketStaminaInfoScNotify(this));
     }
     

src/main/java/emu/lunarcore/server/packet/recv/HandlerUseItemCsReq.java

@@ -0,0 +1,24 @@
+package emu.lunarcore.server.packet.recv;
+
+import java.util.List;
+
+import emu.lunarcore.game.inventory.GameItem;
+import emu.lunarcore.proto.UseItemCsReqOuterClass.UseItemCsReq;
+import emu.lunarcore.server.game.GameSession;
+import emu.lunarcore.server.packet.CmdId;
+import emu.lunarcore.server.packet.Opcodes;
+import emu.lunarcore.server.packet.PacketHandler;
+import emu.lunarcore.server.packet.send.PacketUseItemScRsp;
+
+@Opcodes(CmdId.UseItemCsReq)
+public class HandlerUseItemCsReq extends PacketHandler {
+
+    @Override
+    public void handle(GameSession session, byte[] header, byte[] data) throws Exception {
+        var req = UseItemCsReq.parseFrom(data);
+        
+        List<GameItem> returnItems = session.getPlayer().getInventory().useItem(req.getUseItemId(), req.getUseItemCount(), req.getBaseAvatarId());
+        session.send(new PacketUseItemScRsp(req.getUseItemId(), req.getUseItemCount(), returnItems));
+    }
+
+}

src/main/java/emu/lunarcore/server/packet/send/PacketUseItemScRsp.java

@@ -0,0 +1,31 @@
+package emu.lunarcore.server.packet.send;
+
+import java.util.List;
+
+import emu.lunarcore.game.inventory.GameItem;
+import emu.lunarcore.proto.ItemListOuterClass.ItemList;
+import emu.lunarcore.proto.UseItemScRspOuterClass.UseItemScRsp;
+import emu.lunarcore.server.packet.BasePacket;
+import emu.lunarcore.server.packet.CmdId;
+
+public class PacketUseItemScRsp extends BasePacket {
+
+    public PacketUseItemScRsp(int itemId, int itemCount, List<GameItem> returnItems) {
+        super(CmdId.UseItemScRsp);
+        
+        var itemList = ItemList.newInstance();
+        
+        if (returnItems != null && returnItems.size() > 0) {
+            for (var item : returnItems) {
+                itemList.addItemList(item.toProto());
+            }
+        }
+        
+        var data = UseItemScRsp.newInstance()
+                .setUseItemId(itemId)
+                .setUseItemCount(itemCount)
+                .setReturnData(itemList);
+        
+        this.setData(data);
+    }
+}